it's one of the final touches at canada's greenest school. dr. david suzuki public school is the first in the country to get a platinum rating from the u.s.-based green building certification program known as l.e.a.d. julianna is the chief engineer on the project. she loves the gym with its massive windows, sun pipes, and reflective surfaces. >> we actually have a sensor that monitors light levels and will actually dim the electric lights. >> reporter: the school's solar panels and windmills generate electricity and the rooftop gardens help with temperature control. the school's carbon footprint was a priority from day one. 100% of the old building was reused or recycled. even the dirt from the foundation will be turned into a naturalized play area. no plastic playground equipment here. no dark, dank boiler room either. dr. david suzuki school is heated and cooled with the latest geothermal technology. the kids can see the mechanics at work. they're already on board. they've been attending open houses to learn how the school works. >> this is a t